Legacy ImageMagick Discussions Archive

Turning off fax compression generates as transparent tiff, the other options had no affect. Turning alpha off appears to produce the desired results but this really seems like a bug, or at least, really not DWIM. convert -density 204x196 -units PixelsPerInch in.pdf -alpha off -resize 1728x2156 ...

There's no apparent change in the output either by reordering arguments as suggested or eliminating the normalize or black-threshold. It looks like the new version is getting a transparent png back from gs, where the old version was getting a raw pnm -- the problem appears that the new version is ...

I spoke too soon. The q8 version is substantially faster but, with at least one test pdf, is producing an all black page where the original version of IM was producing a reasonable quality tiff for faxing. I was originally working with ImageMagick-6.5.4.7-5.el6 (dist. rpm for RHEL/Scientific Linux ...

The q8 version is a substantial improvement over the default q16.

Thanks!

q8 is a compile time option?

Limiting memory usage by IM is a popular topic but I haven't been able to find out if what I'm looking for is possible. After some trial and error the following convert arguments produce fairly good results for the fax, however, the memory used, and time it takes, well, it's fairly ridiculous ...